18768442

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 38071296

約数和(自身を除く): 19302854

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 67, 77, 107, 119, 134, 154, 187, 214, 238, 374, 469, 737, 749, 938, 1139, 1177, 1309, 1474, 1498, 1819, 2278, 2354, 2618, 3638, 5159, 7169, 7973, 8239, 10318, 12529, 12733, 14338, 15946, 16478, 20009, 25058, 25466, 40018, 50183, 78859, 87703, 100366, 121873, 140063, 157718, 175406, 243746, 280126, 552013, 853111, 1104026, 1340603, 1706222, 2681206, 9384221, 18768442]

約数ペア:

[(1, 18768442), (2, 9384221), (7, 2681206), (11, 1706222), (14, 1340603), (17, 1104026), (22, 853111), (34, 552013), (67, 280126), (77, 243746), (107, 175406), (119, 157718), (134, 140063), (154, 121873), (187, 100366), (214, 87703), (238, 78859), (374, 50183), (469, 40018), (737, 25466), (749, 25058), (938, 20009), (1139, 16478), (1177, 15946), (1309, 14338), (1474, 12733), (1498, 12529), (1819, 10318), (2278, 8239), (2354, 7973), (2618, 7169), (3638, 5159)]